#d2{
	width: 400px;
	height: 200px;
	background-color: blue;
	float: left;
	margin-left: 10px;
	/* 内边距是内容和边框的距离 */
	padding: 45px;
	background-image: url(../img/ad-02.jpg);
}
.ul1{
	/* 清除浮动的影响 */
	clear: both;
	margin: 0;
	height: 0;
}
.ul1 li {
	float: left;
	list-style: none;
	margin: 6px;
	
}
a{
	text-decoration: none;
}